| Census Region | |||
Year | West | Midwest | South | All Three Census Regions |
2010 | 0.1819* | 0.0081 | <0.0001 | <0.0001 |
2011 | 0.2709 | 0.0070 | <0.0001 | <0.0001 |
2012 | 0.4730 | 0.0239 | <0.0001 | <0.0001 |
2013 | 0.7034 | 0.0029 | <0.0001 | <0.0001 |
2014 | 0.4654 | 0.0038 | <0.0001 | <0.0001 |